[Bug 267028] kernel panics when booting with both (zfs,ko or vboxnetflt,ko or acpi_wmi.ko) and amdgpu.ko

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=267028

--- Comment #227 from Mark Millard <marklmi26-fbsd@yahoo.com> ---
(In reply to George Mitchell from comment #226)

"zfsctrl" is new compared to past examples as far as I know.
Even for "zfs" and "acpi_wmi" I think it would be good to
have an example from the 13.4-RELEASE-p? in use. I'll note
that "zfsctrl" vs. "zfs" are not equivalent: different code
path and call-chain, or so it appears. I can identify where
"zfsctrl" is from --but cannot for the historical "zfs".

Other new strings and/or *.ko files would be good too.

In part what I'm looking for is the earliest example to occur.
In other respects, the variability indicates a race or something
is invovled in whatever the original corruption is: not always
failing in the same place.

Note that in the below sequence, acpi_wmi.ko would happen
later. Does it ever crash before zfs.ko ends up hitting a
corruption? (I expect that the below list is in the order
of the *.ko loads but am not sure.)

Never-fails up too the first sometimes-fails puts some
sort of bounds on things.

Reading symbols from /boot/kernel/fusefs.ko...
Reading symbols from /boot/kernel/sem.ko...
Reading symbols from /boot/modules/if_re.ko...
Reading symbols from /boot/modules/amdgpu.ko...
Reading symbols from /boot/modules/drm.ko...
Reading symbols from /boot/kernel/iic.ko...
Reading symbols from /boot/modules/linuxkpi_gplv2.ko...
Reading symbols from /boot/modules/dmabuf.ko...
Reading symbols from /boot/modules/ttm.ko...
Reading symbols from /boot/modules/amdgpu_raven_gpu_info_bin.ko...
Reading symbols from /boot/modules/amdgpu_raven_sdma_bin.ko...
Reading symbols from /boot/modules/amdgpu_raven_asd_bin.ko...
Reading symbols from /boot/modules/amdgpu_raven_ta_bin.ko...
Reading symbols from /boot/modules/amdgpu_raven_pfp_bin.ko...
Reading symbols from /boot/modules/amdgpu_raven_me_bin.ko...
Reading symbols from /boot/modules/amdgpu_raven_ce_bin.ko...
Reading symbols from /boot/modules/amdgpu_raven_rlc_bin.ko...
Reading symbols from /boot/modules/amdgpu_raven_mec_bin.ko...
Reading symbols from /boot/modules/amdgpu_raven_mec2_bin.ko...
Reading symbols from /boot/modules/amdgpu_raven_vcn_bin.ko...
Reading symbols from /boot/kernel/zfs.ko...

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